72403815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3203}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 127339776

約数和(自身を除く): 54935961

約数列:

[1, 3, 5, 11, 15, 33, 55, 137, 165, 411, 685, 1507, 2055, 3203, 4521, 7535, 9609, 16015, 22605, 35233, 48045, 105699, 176165, 438811, 528495, 1316433, 2194055, 4826921, 6582165, 14480763, 24134605, 72403815]

約数ペア:

[(1, 72403815), (3, 24134605), (5, 14480763), (11, 6582165), (15, 4826921), (33, 2194055), (55, 1316433), (137, 528495), (165, 438811), (411, 176165), (685, 105699), (1507, 48045), (2055, 35233), (3203, 22605), (4521, 16015), (7535, 9609)]